Al-2050/2060 - Sharp AL-2020 Service Manual

B. AL-2050/2060
No. Name
1 Scanner unit home position
sensor
2 POD sensor
3 PPD2 sensor
4 Cassette detection switch
5 PPD1 sensor
6 Door switch
7 Drum reset switch
8 Paper empty sensor
9 Paper exit sensor
10 PD1 sensor
11 Paper sensor
12 Upper door open/close sensor
AL-2020/2035/2040/2050/2060 EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 - 8
2
1
7
Signal Type
MHPS Transmission sensor
POD Transmission sensor
PPD2 Transmission sensor
CED1 Micro-switch
PPD1 Transmission sensor
DSW Micro-switch
DRST Micro-switch
SPID Transmission sensor
SRJD Transmission sensor
PD1 Micro-switch
SPPD Transmission sensor
SCOD Transmission sensor
8
9
6
Function / Operation
Scanner unit home position detection "H" at home position
Paper exit detection
Paper transport detection 2
Cassette installation detection
Paper transport detection 1
Door open/close detection
(safety switch for 24V)
New drum detection switch
Paper entry detection
Paper exit detection
Paper width detect (AL-2060 only)
Paper transport detection
Cover open/close detection
12
11
3
4
10
5
Output
"H" at paper pass
"L" at paper pass
"H" at cassette insertion
"L" at paper pass
1 or 0V of 24V at door open
Instantaneously "H" at
insertion of new drum
"H" paper empty
"H" paper empty
"H" at A4 size or less
"L" at A4 size or more
"H" paper empty
"L" open